2006 Hummer H1 vs. 2003 Opel Signum
To start off, 2006 Hummer H1 is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Opel Signum. In addition, the cost of maintenance, including insurance, on 2003 Opel Signum would be higher. At 6,604 cc (8 cylinders), 2006 Hummer H1 is equipped with a bigger engine. In terms of performance, 2006 Hummer H1 (300 HP) has 91 more horse power than 2003 Opel Signum. (209 HP). In normal driving conditions, 2006 Hummer H1 should accelerate faster than 2003 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 2006 Hummer H1 weights approximately 1727 kg more than 2003 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Hummer H1 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Signum. In wet, icy, snow, or gravel driving conditions, 2006 Hummer H1 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Hummer H1 (705 Nm @ 1500 RPM) has 405 more torque (in Nm) than 2003 Opel Signum. (300 Nm @ 4000 RPM). This means 2006 Hummer H1 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Signum.
Compare all specifications:
| 2006 Hummer H1 | 2003 Opel Signum | |
| Make | Hummer | Opel |
| Model | H1 | Signum |
| Year Released | 2006 | 2003 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 6604 cc | 3175 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 209 HP |
| Torque | 705 Nm | 300 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Bore Size | 103.1 mm | 87.5 mm |
| Engine Stroke Size | 99.1 mm | 88 mm |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 3272 kg | 1545 kg |
| Vehicle Length | 4690 mm | 4640 mm |
| Vehicle Width | 2200 mm | 1800 mm |
| Vehicle Height | 2010 mm | 1470 mm |
| Wheelbase Size | 3310 mm | 2840 mm |
| Fuel Tank Capacity | 195 L | 60 L |
